He's been romantically linked to Jennifer Love Hewitt, Jessica Simpson, Cameron Diaz and Minka Kelly -- so it's safe to say John Mayer has earned the right to wear a Superman t-shirt.
Let's hope he's not faster than a speeding bullet.
Look, on the Sidewalk -- It's John Mayer!
12/6/2007 1:16 PM PST BY TMZ STAFF
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